1996 Buick Regal Owner's Manual - Page 311

I Short TripKity Maintenance Schedule 0Drain, flush and refill cooling system (or every 60 months since last service whichever occurs first). See"Engine Coolant" in the Index for what to use. Inspect hoses. Clean radiator, condenser, pressure cap and neck. Pressure test cooling system and pressure cap. AI?E1nission Control Service. j 0Inspect spark plug wires. An Em.ission '7 100,000 Miles (144 000 km) 0Change automatic transaxle fluid and filter if the vehicle is mainly driven under one or more of these conditions: - In heavy city traffic where the outside temperature regularly reaches 90 O F (32°C) or higher. - In hilly or mountainous terrain. - When doing frequent trailer towing. - Uses such as found in taxi, police or delivery service. I f you do not use your vehicle under anyof these not conditions, the.fluid andfilter do require changing. Control Service. 0Replace spark plugs. An Emission Control Service. I DATE I ACTUAL MILEAGE ISERVICED R E I 7-25